湖北移动公司关于下发2013年下半年有线宽带 建设指导意见的通知

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中国移动湖北公司
2013 年有线宽带接入工程
建设指导意见
2013 年 1 月

目录  
1. 接入技术与方式......................................................................................................1
1.1 接入技术..........................................................................................................1
1.2 接入方式..........................................................................................................1
1.3 FTTB 与 FTTH的比较....................................................................................2
1.4 FTTB 与 FTTH应用场景................................................................................3
2. 工程建设范围..........................................................................................................3
2.1 总体范围..........................................................................................................3
2.2 FTTB 建设范围................................................................................................4
2.3 FTTH 建设范围................................................................................................4
3. FTTH 光分配网络...................................................................................................4
3.1 ODN组网模式.................................................................................................4
3.2 分光组网模式比较..........................................................................................5
3.3 ODN部署原则.................................................................................................6
3.3.1 ODN 覆盖方式.......................................................................................6
3.3.2 一级分光与二级分光应用场景............................................................7
3.3.3 配线比建议............................................................................................7
4. 光功率预算与传输距离..........................................................................................8
4.1 光通道衰减预算..............................................................................................8
4.2 光系统传输距离..............................................................................................8
5. 光分路器设置..........................................................................................................9
5.1 OLT设置..........................................................................................................9
5.2 光分路比........................................................................................................10
5.3 光分路器位置................................................................................................11
5.4 光分路器的选型............................................................................................12
6. 光缆线缆引入原则................................................................................................12
6.1 住宅小区引入光缆........................................................................................12
6.1.1 引入光缆建设方案..............................................................................12
6.1.2 引入光缆方案选择..............................................................................13
6.1.3 光交设置..............................................................................................14
6.2 配线光缆线路................................................................................................15
6.2.1 配线光缆组网结构..............................................................................15
6.2.2 配线光缆选型......................................................................................15
6.3 FTTH 入户光缆线路......................................................................................16
6.3.1 FTTH 入户光缆线路的组成................................................................16
6.3.2 光缆分纤箱设置..................................................................................17
6.3.3 入户光缆选型......................................................................................18
6.3.4 入户光缆线路安装..............................................................................18
6.3.5 入户光缆成端......................................................................................19
7. ONU与 ONT设置.................................................................................................20
7.1 ONU设置.......................................................................................................20
7.2 ONT设置.......................................................................................................20
8. VLAN资源规划原则.............................................................................................21

附录 1. 典型场景下的 FTTH 规划建设模式..........................................................23
附录 2. 损耗系数参考...............................................................................................26
附 2.1 系统最大允许损耗...................................................................................26
附 2.2 光纤衰减系数...........................................................................................26
附 2.3 光接头衰减系数.......................................................................................27
附 2.4 光分路器插入损耗...................................................................................27
附 2.5 线路维护余量...........................................................................................27
附 2.6 最大传输距离参考值...............................................................................27
附录 3. 光分路器部署位置.......................................................................................28
附录 4. 典型 FTTH 客户端 ONT类型....................................................................29
附录 5. FTTH 装机成本参考....................................................................................29